CN214868434U - Welding tool - Google Patents

Abstract

The utility model relates to a machinery processing technology field specifically discloses a welding frock, and this welding frock includes: a support frame; the rotating frame is rotatably arranged on the supporting frame and can rotate around a horizontal axis; the fixing assembly is arranged on the rotating frame and is used for butting and fixing the welding pipe fitting and the welding end piece on the rotating frame; the clamping and positioning mechanism is used for clamping the welding rib plate and butting the welding rib plate to the welding pipe fitting; the locking assembly is used for locking the rotating frame to the welding position, the rotating frame is at least provided with a first welding position and a second welding position, when the rotating frame is located in the first welding position, the welding pipe fitting is vertically arranged, and when the rotating frame is located in the second welding position, the welding pipe fitting is horizontally arranged. The utility model provides a welding frock makes the welding seam homoenergetic between each part of pipe class work piece keep welding when horizontal position, has improved welding quality.

Description

Welding tool

Technical Field

The utility model relates to the technical field of machining, especially, relate to a welding frock.

Background

With the development of digitalization, automation, computer technology and mechanical design technology, people have raised quality requirements for products, and have paid greater attention to welding quality, aesthetic degree and the like. The welding tool can accurately position and reliably clamp the weldment, is convenient for assembling and welding the weldment and meets the structural precision requirement of the weldment, so the welding tool is widely applied to the welding production process.

The pipe workpiece is widely applied in various production fields, and for installation of the pipe workpiece and other devices, the pipe workpiece usually comprises a welding end piece, a welding pipe fitting and a welding rib plate, the welding end piece is welded at the end part of the welding pipe fitting and can be used for connection of the pipe workpiece and other devices, and the welding rib plate is connected between the welding pipe fitting and the welding end piece and can be used for increasing the strength of the pipe workpiece.

When the pipe workpiece is prepared, the welding end piece, the welding pipe fitting and the welding rib plate are processed and formed separately and then welded into a whole. During welding operation, generally, a welding end part and a welding pipe fitting are welded and formed, then welding forming of a welding rib plate, the welding pipe fitting and the welding end part is achieved, and in order to guarantee welding quality, all welding seams of pipe workpieces of the type need to be kept in a horizontal position for welding.

However, in the existing welding tool for welding the pipe workpieces, after each component of the pipe workpieces is installed on the welding tool once, it cannot be guaranteed that each welding seam of the pipe workpieces can be welded in a flat welding mode, so that the pipe workpieces need to be disassembled and assembled on the welding tool after each component is welded, the position of the current welding seam is adjusted through disassembly and assembly, the steps are complex, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding frock to improve the welding convenience and the welding quality of pipe class work piece.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a welding frock, this welding frock includes:

a support frame;

the rotating frame is rotatably arranged on the supporting frame and can rotate around a horizontal axis;

the fixing assembly is arranged on the rotating frame and is used for butting and fixing the welding pipe fitting and the welding end piece on the rotating frame;

the clamping and positioning mechanism is used for clamping the welding rib plate and butting the welding rib plate to the welding pipe fitting;

the locking assembly is used for locking the rotating frame to a welding position, the rotating frame is at least provided with a first welding position and a second welding position, when the rotating frame is located at the first welding position, the welding pipe fitting is vertically arranged, and when the rotating frame is located at the second welding position, the welding pipe fitting is horizontally arranged.

Wherein, centre gripping positioning mechanism includes:

one side of the first end of the positioning piece is provided with a vertical positioning surface;

the pressing piece comprises a pressing head part, the pressing piece is rotatably connected with the positioning piece, so that the pressing head part can rotate towards the positioning surface to press the welding rib plate on the positioning surface, and the pressing head part can rotate along the direction far away from the positioning surface to release the welding rib plate.

The clamping and positioning mechanism further comprises clamping actuating units, the clamping actuating units are arranged in one-to-one correspondence with the pressing pieces, and the clamping actuating units are used for pressing the pressing pieces to enable the pressing pieces to rotate; and/or

The clamping and positioning mechanism further comprises a butt joint actuating unit, and the butt joint actuating unit is used for driving the positioning piece to move in the direction close to the welding pipe fitting so that the welding rib plate is abutted to the welding pipe fitting.

The welding rib plates are arranged along the circumferential direction of the welding pipe fitting at intervals, at least two positioning pieces are arranged, the two opposite sides of at least one positioning piece are provided with the positioning surfaces, and the pressing pieces are arranged in one-to-one correspondence with the positioning surfaces.

The fixed assembly comprises a first fixed unit and a second fixed unit which are opposite and arranged at intervals, the first fixed unit is fixedly arranged on the rotating frame, the second fixed unit can slide along the direction close to or far away from the first fixed unit relative to the rotating frame, the pipe workpiece can be clamped between the first fixed unit and the second fixed unit, and two ends of the pipe workpiece are respectively abutted to the first fixed unit and the second fixed unit.

The fixing assembly further comprises a pressing actuating unit, the pressing actuating unit is fixedly arranged on the rotating frame, and the pressing actuating unit is used for applying pressing force towards the first fixing unit to the second fixing unit.

The rotary frame is provided with a guide post, the guide post extends along the sliding direction of the second fixing unit, the second fixing unit is sleeved on the guide post in a sliding mode, and the two ends of the guide post are provided with limiting structures for preventing the second fixing unit from being separated from the guide post.

The first fixing unit and the second fixing unit are provided with alignment pieces, and two ends of the welded pipe fitting are respectively in plug-in fit with the alignment pieces.

The rotary frame is provided with at least two alignment holes around the rotation axis of the rotary frame, the alignment holes are arranged in one-to-one correspondence with the welding positions, and any alignment hole can rotate to be aligned with the through hole;

the locking assembly comprises a plug connector which can be inserted into the aligned through hole and the alignment hole.

The locking assembly further comprises a locking actuating unit, and the locking actuating unit is used for driving the plug connector to penetrate through one of the alignment holes of the rotating frame and the through hole of the supporting frame, so that the rotating frame is locked to the welding position.

The utility model has the advantages that:

the utility model provides a pair of welding frock through the rotation regulation of swivel mount for the welding pipe fitting can switch between vertical state and horizontal state after installing to welding frock, even make the welding seam of welding pipe fitting and welding end-piece and the welding seam of welding pipe fitting and welding gusset all accomplish complete welding when keeping at horizontal position, improved welding quality, make the welding between each part of pipe type work piece more firm, prolonged the life of pipe type work piece; and all parts of the pipe workpiece and the welding tool can be mounted at one time to complete the complete welding of all welding seams, so that the operation steps are simplified, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a pipe workpiece according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the welding tool in the first welding position according to the embodiment of the present invention;

FIG. 3 is an enlarged view taken at I in FIG. 2;

fig. 4 is a schematic structural view of the welding tool in the second welding position according to the embodiment of the present invention;

fig. 5 is a cross-sectional view of the welding tool in the first welding position according to the embodiment of the present invention;

fig. 6 is an enlarged view of fig. 5 at ii.

In the figure:

100. welding a tool; 200. a pipe-like workpiece; 201. welding end pieces; 202. welding the pipe fittings; 203. welding a rib plate;

1. a support frame; 2. a rotating frame; 3. a fixing assembly; 4. a clamping and positioning mechanism; 5. a locking assembly; 6. a base; 7. a mounting frame; 8. a support;

21. a rotating plate; 22. a guide post; 221. a limiting boss; 23. a limiting plate; 24. aligning holes; 25. a second fixing plate;

31. a first fixing unit; 311. a first fixing plate; 312. a first connecting plate; 313. a first mounting plate; 321. a second connecting plate; 322. a second mounting plate; 32. a second fixing unit; 33. a registration member; 34. a pressing actuating unit;

41. a positioning member; 411. positioning the surface; 412. a first positioning member; 413. a second positioning member;

42. a pressing member; 421. pressing the head part; 422. pressing the plate;

43. a clamp actuation unit; 431. a first clamp actuation unit; 4311. a first pushing member; 4312. a push rod; 432. a second clamp actuating unit; 4321. a slider; 4322. a second pushing member;

44. a docking actuation unit; 441. a first pusher member; 442. a second pusher member; 443. a fixed block; 51. a plug-in unit; 52. the actuation unit is locked.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the present embodiment provides a welding tool 100, which can be applied to welding and forming of a pipe workpiece 200, so that after the pipe workpiece 200 is initially installed in the welding tool 100, the position of each weld can be adjusted by switching the state of the welding tool 100, thereby improving the welding efficiency and the welding quality.

Specifically, as shown in fig. 1, the pipe-like workpiece 200 includes a welded end piece 201, a welded pipe 202, and a welded rib plate 203. The welded pipe member 202 may be a circular pipe or a square pipe, the welded end piece 201 is a part to be welded to an end of the welded pipe member 202, and may be, but is not limited to, a flange structure, a plate structure, and the cross-sectional shape of the welded end piece 201 may be, but is not limited to, a triangle, a circle, a rectangle, etc. Welded web 203 is a part that needs to be welded to the outer perimeter wall of welded pipe section 202 and may be, but is not limited to, a triangular web, a rectangular web, a trapezoidal web, etc. That is, the plane of the weld between the welding end piece 201 and the welding pipe 202 is perpendicular to the longitudinal direction of the welding pipe 202, and the weld between the welding rib 203 and the welding end piece 201 is parallel to the longitudinal direction of the welding pipe 202.

The tubular workpiece 200 in this embodiment belongs to a part of a transplanter frame, but it can be understood that the specific application scenario of the tubular workpiece 200 can be selected according to actual needs, and this embodiment is not particularly limited.

In the utility model, the welding end piece 201 can be welded at only one end of the welding pipe 202, or the welding end pieces 201 can be welded at both ends of the welding pipe 202; meanwhile, the welding rib plates 203 may be disposed at one end or both ends of the welding pipe 202, and the welding rib plates 203 at each end may be disposed at intervals along the circumferential direction of the welding pipe 202, or may be disposed only one. In this embodiment, a specific structure of the welding tool 100 will be described by taking an example in which two welding end pieces 201 are provided, the welding rib plate 203 is provided at one end of the welding pipe 202, and three welding rib plates 203 are provided at intervals along the circumferential direction of the welding pipe 202. However, it can be understood that the number of the welding end pieces 201 and the number of the welding rib plates 203 can be set according to requirements, which does not affect the main structure of the welding tool 100.

As shown in fig. 2 and 4, the welding tool 100 includes: a support frame 1; the rotating frame 2 is rotatably arranged on the supporting frame 1, and the rotating frame 2 can rotate around a horizontal axis; the fixing assembly 3 is arranged on the rotating frame 2 and is used for butting and fixing the welding pipe fitting 202 and the welding end piece 201 on the rotating frame 2; the clamping and positioning mechanism 4 is used for clamping the welding rib plate 203 and butting the welding rib plate 203 to the welding pipe fitting 202; the locking assembly 5 is configured to lock the rotating frame 2 to the welding position, and the rotating frame 2 at least has a first welding position and a second welding position, as shown in fig. 2, when the rotating frame 2 is located at the first welding position, the welded pipe 202 is vertically disposed, as shown in fig. 4, and when the rotating frame 2 is located at the second welding position, the welded pipe 202 is horizontally disposed.

According to the welding tool 100 provided by the embodiment, after the welding pipe fitting 202 is installed on the welding tool 100, the rotation adjustment of the rotating frame 2 enables the welding pipe fitting 202 to be switched between the vertical state and the horizontal state, namely, the welding seams of the welding pipe fitting 202 and the welding end piece 201 and the welding seams of the welding pipe fitting 202 and the welding rib plate 203 are kept in the horizontal state, the complete welding is completed, the welding quality is improved, the welding among all parts of the pipe workpiece 200 is firmer, and the service life of the pipe workpiece 200 is prolonged; and all parts of the pipe workpiece 200 and the welding tool 100 can be installed once to complete the complete welding of all welding seams, so that the operation steps are simplified, and the production efficiency is improved.

Specifically, as shown in fig. 2, the welding fixture 100 further includes a base 6, the rest structures of the welding fixture 100 are all mounted on the base 6, and the base 6 can facilitate operations such as carrying the welding fixture 100. Preferably, 6 levels of base set up, and support frame 1 is vertical to be set up on base 6, and the lower extreme and the 6 threaded connection of base of support frame 1, the upper end of support frame 1 rotates and is connected with swivel mount 2. This kind of setting can provide sufficient space for the rotation of swivel mount 2, makes things convenient for the installation of swivel mount 2.

In order to facilitate the installation of the welded pipe 202 and the welded end piece 201, specifically, as shown in fig. 2, the fixing assembly 3 includes a first fixing unit 31 and a second fixing unit 32 that are disposed opposite to each other and at an interval, the first fixing unit 31 is fixed on the rotating frame 2, the second fixing unit 32 can slide in a direction close to or away from the first fixing unit 31 relative to the rotating frame 2, the pipe-like workpiece 200 can be clamped between the first fixing unit 31 and the second fixing unit 32, and two ends of the pipe-like workpiece 200 abut against the first fixing unit 31 and the second fixing unit 32, respectively. The welded pipe 202 is easily installed on the welding tool 100 and the installation stability is strong by sliding the second fixing unit 32 in a direction close to the first fixing unit 31 to clamp the welded pipe 202.

Preferably, the rotating frame 2 includes a rotating plate 21 perpendicular to a rotation axis thereof, and the first fixing unit 31 and the second fixing unit 32 are respectively provided at both ends of the rotating plate 21. With such an arrangement, the extending direction of the rotating frame 2 can be made to coincide with the length direction of the welded pipe 202, the occupied space of the rotating frame 2 can be reduced, and the interference between the structures can be reduced.

In order to facilitate installation of the welding end piece 201 and clamping of the welding pipe 202, the first fixing unit 31 and the second fixing unit 32 are both integrally in a plate-shaped structure perpendicular to the rotating plate 21, that is, the axis of the pipe workpiece 200 is perpendicular to both the first fixing unit 31 and the second fixing unit 32, so that clamping and pressing of the pipe workpiece 200 by the first fixing unit 31 and the second fixing unit 32 can be effectively realized, and the installation and fixing reliability of the pipe workpiece 200 is improved.

Specifically, as shown in fig. 2, the first fixing unit 31 includes a first fixing plate 311, a first connection plate 312, and a first mounting plate 313. The first fixing plate 311 is vertically connected to one end of the rotating plate 21, and the connection is preferably, but not limited to, welding. The first connecting plate 312 is detachably connected to a side of the first fixing plate 311 away from the second fixing unit 32, and the first mounting plate 313 is detachably connected to the first connecting plate 312 and is arranged on a side of the first fixing plate 311 away from the rotating plate 21 side by side with the first fixing plate 311.

The second fixing unit 32 includes a second connection plate 321 and a second mounting plate 322, the second connection plate 321 is vertically and slidably connected to the rotating frame 2, and the second mounting plate 322 is detachably connected to a side of the second connection plate 321 facing the first fixing unit 31.

The second mounting plate 322 and the first mounting plate 313 can be connected to the welding end piece 201 through screws, that is, the first fixing unit 31 and the second fixing unit 32 are arranged, and after the two welding end pieces 201 are connected to the first mounting plate 313 and the second mounting plate 322, the first mounting plate 313 and the second mounting plate 322 are mounted on the corresponding first connecting plate 312 and the second connecting plate 321, respectively, so that the assembly difficulty of the welding end piece 201 on the welding tool 100 is reduced; at the same time, the corresponding mounting plate and connecting plate can be replaced according to the size and type of the different welding end piece 201.

Further, as shown in fig. 2, the rotating frame 2 includes a guiding post 22 fixedly disposed with the rotating plate 21, the guiding post 22 extends along the sliding direction of the second fixing unit 32, the second fixing unit 32 is slidably sleeved on the guiding post 22, and two ends of the guiding post 22 are provided with a limiting structure for preventing the second fixing unit 32 from coming off the guiding post 22. The arrangement of the guide post 22 provides a sliding guide function for the second fixing unit 32 to slide in a direction approaching the first fixing unit 31.

The second connecting plate 321 is slidably sleeved on the guide post 22, the limiting structure includes a limiting boss 221 protruding from an outer wall of one end of the guide post 22, and the limiting boss 221 is located at an end of the guide post 22 far away from the first fixing unit 31, so as to prevent the second fixing unit 32 from being separated from the guide post 22 when sliding along a direction far away from the first fixing unit 31. The limiting structure further comprises a limiting plate 23 vertically connected to the rotating plate 21, and the other end of the guide post 22 penetrates through the limiting plate 23 and is detachably connected with the limiting plate 23. By providing the limit structure adjacent to the side of the first fixing unit 31 as the limit plate 23, the bearing capacity of the end limit structure can be improved, so that when a pressing force is applied by the second fixing unit 32 in a direction toward the first fixing unit 31, the second fixing unit 32 can be prevented from slipping off relative to the first fixing unit 31, and the connection stability can be improved; meanwhile, the arrangement of the limit plate 23 can also improve the installation convenience of the guide post 22.

Preferably, as shown in fig. 2 and 4, one side of the limiting plate 23, which is away from the limiting boss 221, is detachably connected with a second fixing plate 25, the guide post 22 is provided with a threaded hole, the second fixing plate 25 is correspondingly provided with a connecting through hole, and the guide post 22 and the second fixing plate 25 are connected through a threaded part penetrating through the threaded hole and the connecting through hole. Further, two guide posts 22 are spaced apart from each other to improve the guiding stability and reliability, and the two guide posts 22 are connected to the same second fixing plate 25.

Further, as shown in fig. 5 to 6, the first fixing unit 31 and the second fixing unit 32 are each provided with an aligning member 33, and both ends of the welding pipe 202 are respectively fitted with the two aligning members 33. The welding pipe fitting 202 can be abutted to the corresponding position of the fixed component 3 through the insertion fit of the welding pipe fitting 202 and the alignment piece 33, the operation is simple, and the positioning is reliable.

In order to realize the installation of the alignment member 33, a mounting groove is formed on the corresponding mounting plate (the first mounting plate 313 or the second mounting plate 322) in a penetrating manner, the mounting groove comprises a first groove part and a second groove part which are communicated, the first groove part is positioned on one side of the second groove part close to the connecting plate, and the cross-sectional area of the second groove part is smaller than that of the first groove part. The shape of the aligning member 33 is matched with the shape of the mounting groove. That is, when the aligning member 33 is attached, the aligning member 33 is attached to the attachment groove portion in a state where the attachment plate is separated from the connection plate, and then the attachment plate is connected to the connection plate. Because of the ladder-shaped structure of the mounting groove, the alignment piece 33 cannot be separated from the mounting plate due to the limiting effect of the connecting plate, and the mounting convenience and the mounting reliability of the alignment piece 33 are improved.

Further, as shown in fig. 2, the fixing assembly 3 further includes a pressing actuating unit 34, the pressing actuating unit 34 is fixed on the rotating frame 2, and the pressing actuating unit 34 is used for applying a pressing force toward the first fixing unit 31 to the second fixing unit 32. The second fixing unit 32 can move in the direction close to the first fixing unit 31 by operating the pressing actuating unit 34, so that the operation is convenient, a certain clamping force can be ensured between the first fixing unit 31 and the second fixing unit 32, and the clamping stability of the welded pipe 202 is improved.

The specific structure of the pressing actuating unit 34 is preferably a push-pull jig disclosed in CN201920676586.1, and the detailed structure thereof will not be described in detail here. Wherein the push-pull rod of the pressing actuation unit 34 can abut against the second connecting plate 321, pushing the second connecting plate 321, so that the second fixing unit 32 slides in a direction toward the first fixing unit 31. In other embodiments, the pressing actuating unit 34 may be selected from a linear motor or other devices capable of realizing linear driving, and the embodiment is not particularly limited thereto.

Further, as shown in fig. 2, the supporting frame 1 is provided with a through hole, the rotating frame 2 is provided with at least two alignment holes 24 around the rotating axis thereof, the alignment holes 24 are arranged in one-to-one correspondence with the welding positions, and any alignment hole 24 can rotate to be aligned with the through hole; the locking assembly 5 includes a plug 51, the plug 51 being insertable into the aligned through-hole and the alignment hole 24.

In this embodiment, the rotating frame 2 is provided with three alignment holes 24 around the rotation axis thereof, wherein two alignment holes 24 are oppositely disposed. As shown in fig. 2, when the first alignment hole 24 is aligned with the through hole, the welding tool 100 is in the first welding position, the welding seam between the welding end piece 201 mounted on the first fixing unit 31 and the welding pipe 202 is in the horizontal position, and the welding seam can be welded in a top view; as shown in fig. 4, when the second alignment hole 24 is aligned with the through hole, the welding fixture 100 is at the second welding position, and the welding seam between the welding rib plate 203 and the welding pipe 202 is at the horizontal position; when the third alignment hole 24 is aligned with the through hole, the welding tool 100 is located at a third welding position, the third welding position is equivalent to the first welding position and rotates 180 ° in the horizontal plane, at this time, the welding end piece 201 mounted on the second fixing unit 32 and the welding seam of the welding pipe 202 are located at the horizontal position, and the welding seam can be welded in a top view state. Therefore, the rotating frame 2 can rotate to the first welding position and the third welding position, so that the welding pipe 202 and the welding end pieces 201 at the two ends of the welding pipe can be welded in an overlooking state, overhead welding is avoided, and the welding quality is improved. The specific number of the alignment holes 24 can be selected according to actual needs, and the embodiment is not particularly limited thereto.

In order to facilitate the operation of inserting and withdrawing the inserting member 51 through the aligned through holes and the aligning holes 24, specifically, as shown in fig. 2, the locking assembly 5 further includes a locking actuating unit 52, and the locking actuating unit 52 is used for driving the inserting member 51 to pass through one of the aligning holes 24 of the rotating frame 2 and the through hole of the supporting frame 1 so as to lock the rotating frame 2 to the corresponding welding position. The rotating frame 2 can be locked to the corresponding welding position by operating the locking actuating unit 52, which facilitates the operation and can improve the locking stability.

In this embodiment, the locking actuation unit 52 is preferably a push-pull jig disclosed in CN201920676586.1, and the detailed structure thereof will not be described in detail. Wherein the push-pull rod of the locking actuation unit 52 can abut against the plug-in connector 51 to push the plug-in connector 51 to pass through one of the alignment holes 24 of the rotating frame 2 and the through hole of the supporting frame 1. In other embodiments, the lock actuation unit 52 may select a linear motor or the like capable of realizing linear driving, and the present embodiment is not particularly limited thereto.

As shown in fig. 2 to 3, the clamp positioning mechanism 4 includes: a vertical positioning surface 411 is arranged on one side of the first end of the positioning piece 41; the pressing piece 42 comprises a pressing head portion 421, the pressing piece 42 is rotatably connected with the positioning piece 41, so that the pressing head portion 421 can rotate towards the positioning surface 411 to press the welding rib plate 203 on the positioning surface 411, and the pressing head portion 421 can rotate away from the positioning surface 411 to release the welding rib plate 203.

In this embodiment, the welding rib plate 203 can be clamped or released by rotating the pressing member 42, and the structure is simple and the operation is convenient. The pressing head 421 can be pressed against at least half of the height direction of the welding rib plate 203, so that the welding rib plate 203 is pressed by the pressing head 421 against the positioning surface 411 uniformly, and stress concentration of the welding rib plate 203 is prevented.

In order to facilitate the rotation operation of the pressing member 42, the clamping and positioning mechanism 4 further includes a clamping actuating unit 43, the clamping actuating unit 43 is disposed in one-to-one correspondence with the pressing member 42, and the clamping actuating unit 43 is configured to press against the pressing member 42 to rotate the pressing member 42.

Furthermore, a plurality of welding rib plates 203 are arranged at intervals along the circumferential direction of the welding pipe 202, at least two positioning parts 41 are arranged, positioning surfaces 411 are arranged on two opposite sides of at least one positioning part 41, and the pressing parts 42 are arranged in one-to-one correspondence with the positioning surfaces 411. With the arrangement, the number of the positioning pieces 41 can be reduced, and the structure compactness is improved.

In this embodiment, three welding rib plates 203 are provided at intervals of 120 ° in the circumferential direction of the welded pipe 202. As shown in fig. 3, two positioning members 41 are provided, and are divided into a first positioning member 412 and a second positioning member 413, the first positioning member 412 is slidably disposed on the rotating frame 2, the first positioning member 412 can slide relative to the rotating frame 2 in a direction close to the welded pipe 202, and the first positioning member 412 is provided with a positioning surface 411; the second positioning element 413 is opposite to the first positioning element 412, and positioning surfaces 411 are disposed on two opposite sides of the second positioning element 413.

The pressing member 42 further includes a pressing plate 422, the pressing head 421 is fixedly connected to the pressing plate 422, and the pressing plate 422 is rotatably connected to the positioning member 41. As shown in fig. 2, the clamping actuating units 43 are provided with three sets, respectively, a first clamping actuating unit 431, a second clamping actuating unit 432, and a third clamping actuating unit. The first clamping actuation unit 431 is provided with a first abutting piece 4311 and a push rod 4312, the first abutting piece 4311 and the push rod 4312 are both arranged on the rotating frame 2 through a fixed frame, and the push rod 4312 is slidably arranged on the rotating frame 2. One end of the push rod 4312 abuts against the pressing plate 422 disposed on the first positioning element 412, the other end abuts against the first pressing element 4311, the first pressing element 4311 pushes the push rod 4312, and the push rod 4312 pushes the pressing plate 422 to rotate relative to the first positioning element 412, so that the pressing head 421 rotates towards the positioning surface 411 of the first positioning element 412. The specific structure of the first pushing member 4311 is preferably a push-pull fixture disclosed in CN201920676586.1, and the detailed structure thereof will not be described in detail here. In other embodiments, the first pushing component 4311 may be a linear motor or other devices capable of realizing linear driving, which is not limited in this embodiment.

As shown in fig. 2-3, the second clamping actuation unit 432 includes a sliding block 4321 and a second pushing component 4322, the second pushing component 4322 is mounted on the base 6 through the mounting frame 7, the sliding block 4321 is slidably connected to the second positioning component 413, the sliding block 4321 is abutted to an end of the pressing plate 422 away from the pressing head 421, a contact surface of the sliding block 4321 and the pressing plate 422 is inclined with respect to a sliding direction of the sliding block 4321, and the second pushing component 4322 can push the sliding block 4321 to slide along a direction close to the welding pipe 202, so that the sliding block 4321 pushes the pressing plate 422 to rotate with respect to the positioning component 41, so that the pressing head 421 rotates toward the positioning surface 411. The second pushing part 4322 is preferably a clamp disclosed in CN201920676586.1, and the detailed structure thereof will not be described in detail. In other embodiments, the second pushing component 4322 may be a linear motor or other devices capable of realizing linear driving, and this embodiment is not particularly limited thereto. The third and second clamp actuating units 432 are identical in structure and will not be described in detail herein.

In this embodiment, two positioning members 41 are provided, so that three welding rib plates 203 can be simultaneously butted onto the welding pipe 202, the welding speed for butting the welding rib plates 203 onto the welding pipe 202 is increased, and the pressing members 42 and the clamping actuating units 43 are arranged in a one-to-one correspondence manner, so that the pressing members 42 can be conveniently operated to rotate relative to the positioning members 41.

Further, as shown in fig. 2 to 4, the clamping and positioning mechanism further includes a docking actuating unit 44, the docking actuating unit 44 is configured to drive the positioning member 41 to move in a direction close to the welded pipe 202, so that the welding rib 203 abuts against the welded pipe 202, and thus the welding operation can be performed on the welding rib 203 and the welded pipe 202, and the docking actuating unit 44 is disposed in one-to-one correspondence with the positioning member 41. Preferably, the docking actuating unit 44 can also drive the positioning member 41 to move in a direction away from the welded pipe 202, so as to provide a space for the rotating frame 2 to rotate the welded pipe 202, and reduce the structural interference.

Specifically, as shown in fig. 2 to 3, the docking actuating unit 44 includes a first pushing member 441, a second pushing member 442 and a fixed block 443, the first pushing member 441 is connected to the first connecting plate 312, the second pushing member 442 is mounted on the base 6 through the bracket 8, the fixed block 443 is fixedly connected to the first positioning member 412, and the first pushing member 441 can push the fixed block 443 to slide the first positioning member 412 in a direction close to the welding pipe 202; the bracket 8 is opposite to the supporting frame 1, the second positioning element 413 is connected to the bracket 8 in a sliding manner, and the second pushing element 442 can push the second positioning element 413 to slide in a direction close to the welding pipe 202. The specific structure of the first and second pushing members 441 and 442 is preferably the clamp disclosed in CN201920676586.1, and the detailed structure thereof will not be described in detail here. In other embodiments, the first pushing member 441 and the second pushing member 442 may be selected from linear motors or other devices capable of realizing linear driving, and the present embodiment is not particularly limited thereto.

In this embodiment, the positioning members 41 and the docking actuating units 44 are disposed in a one-to-one correspondence, so as to facilitate the movement of the positioning members 41 along the direction close to the welded pipe 202.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a welding frock for welding pipe class work piece (200), pipe class work piece (200) are including welding end part (201), welding pipe fitting (202) and welding gusset (203), its characterized in that, welding frock includes:

a support frame (1);

the rotating frame (2) is rotatably arranged on the supporting frame (1), and the rotating frame (2) can rotate around a horizontal axis;

the fixing assembly (3) is arranged on the rotating frame (2) and is used for butting and fixing the welding pipe fitting (202) and the welding end piece (201) to the rotating frame (2);

the clamping and positioning mechanism (4) is used for clamping the welding rib plate (203) and butting the welding rib plate (203) to the welding pipe fitting (202);

the locking assembly (5) is used for locking the rotating frame (2) to a welding position, the rotating frame (2) is at least provided with a first welding position and a second welding position, when the rotating frame (2) is located at the first welding position, the welding pipe fitting (202) is vertically arranged, and when the rotating frame (2) is located at the second welding position, the welding pipe fitting (202) is horizontally arranged.

2. The welding tool according to claim 1, characterized in that the clamping and positioning mechanism (4) comprises:

a positioning piece (41), wherein one side of the first end of the positioning piece is provided with a vertical positioning surface (411);

the pressing piece (42) comprises a pressing head portion (421), the pressing piece (42) is rotatably connected with the positioning piece (41), so that the pressing head portion (421) can rotate towards the positioning surface (411) to press the welding rib plate (203) on the positioning surface (411), and the pressing head portion (421) can rotate away from the positioning surface (411) to release the welding rib plate (203).

3. The welding tool according to claim 2, characterized in that the clamping and positioning mechanism (4) further comprises a clamping actuating unit (43), the clamping actuating unit (43) is arranged corresponding to the pressing piece (42) one by one, and the clamping actuating unit (43) is used for pressing against the pressing piece (42) to rotate the pressing piece (42); and/or

The clamping and positioning mechanism (4) further comprises a butt joint actuating unit (44), wherein the butt joint actuating unit (44) is used for driving the positioning piece (41) to move along the direction close to the welded pipe fitting (202) so as to enable the welding rib plate (203) to abut against the welded pipe fitting (202).

4. The welding tool according to claim 2, wherein a plurality of welding rib plates (203) are arranged at intervals along the circumferential direction of the welding pipe fitting (202), at least two positioning parts (41) are arranged, the positioning surfaces (411) are arranged on two opposite sides of at least one positioning part (41), and the pressing parts (42) and the positioning surfaces (411) are arranged in a one-to-one correspondence manner.

5. The welding tool according to claim 1, wherein the fixing assembly (3) comprises a first fixing unit (31) and a second fixing unit (32) which are arranged oppositely and at an interval, the first fixing unit (31) is fixedly arranged on the rotating frame (2), the second fixing unit (32) can slide relative to the rotating frame (2) along a direction close to or far away from the first fixing unit (31), the pipe workpiece (200) can be clamped between the first fixing unit (31) and the second fixing unit (32), and two ends of the pipe workpiece (200) are abutted to the first fixing unit (31) and the second fixing unit (32) respectively.

6. A welding tool according to claim 5, characterized in that the fixing assembly (3) further comprises a pressing actuating unit (34), the pressing actuating unit (34) is fixed on the rotating frame (2), and the pressing actuating unit (34) is used for applying a pressing force towards the first fixing unit (31) to the second fixing unit (32).

7. The welding tool according to claim 5, wherein a guide post (22) is arranged on the rotating frame (2), the guide post (22) extends along the sliding direction of the second fixing unit (32), the second fixing unit (32) is slidably sleeved on the guide post (22), and two ends of the guide post (22) are provided with limiting structures for preventing the second fixing unit (32) from being separated from the guide post (22).

8. The welding tool according to claim 5, wherein the first fixing unit (31) and the second fixing unit (32) are provided with aligning pieces (33), and two ends of the welding pipe (202) are respectively in inserting fit with the two aligning pieces (33).

9. The welding tool according to any one of claims 1 to 8, wherein the support frame (1) is provided with a through hole, the rotating frame (2) is provided with at least two alignment holes (24) around the rotating axis thereof, the alignment holes (24) are arranged in one-to-one correspondence with the welding positions, and any one of the alignment holes (24) can rotate to be aligned with the through hole;

the locking assembly (5) comprises a plug connector (51), and the plug connector (51) can be inserted into the aligned through hole and the alignment hole (24).

10. The welding tool according to claim 9, characterized in that the locking assembly (5) further comprises a locking actuating unit (52), and the locking actuating unit (52) is used for driving the plug connector (51) to pass through one of the alignment holes (24) of the rotating frame (2) and the through hole of the support frame (1) so as to lock the rotating frame (2) to the welding position.

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